diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index 0f47e61..0e3c207 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -143,10 +143,6 @@
 	bool "I12_TVBOX"
 	depends on MACH_SUN7I
 
-config TARGET_QT840A
-	bool "QT840A"
-	depends on MACH_SUN7I
-
 config TARGET_R7DONGLE
 	bool "R7DONGLE"
 	depends on MACH_SUN5I
diff --git a/board/sunxi/Makefile b/board/sunxi/Makefile
index feb439a..0522f3c 100644
--- a/board/sunxi/Makefile
+++ b/board/sunxi/Makefile
@@ -24,10 +24,9 @@
 obj-$(CONFIG_TARGET_BANANAPRO)		+= dram_bananapi.o
 obj-$(CONFIG_TARGET_CUBIEBOARD2)	+= dram_cubieboard2.o
 obj-$(CONFIG_TARGET_CUBIETRUCK)		+= dram_cubietruck.o
-obj-$(CONFIG_TARGET_I12_TVBOX)		+= dram_sun7i_384_1024_iow16.o
+obj-$(CONFIG_TARGET_I12_TVBOX)		+= dram_sun5i_auto.o
 obj-$(CONFIG_TARGET_MELE_M3)		+= dram_sun7i_384_1024_iow16.o
 obj-$(CONFIG_TARGET_MK802_A10S)		+= dram_sun5i_auto.o
 obj-$(CONFIG_TARGET_MSI_PRIMO73)	+= dram_sun7i_384_1024_iow16.o
 obj-$(CONFIG_TARGET_PCDUINO3)		+= dram_linksprite_pcduino3.o
-obj-$(CONFIG_TARGET_QT840A)		+= dram_sun7i_384_512_busw16_iow16.o
 obj-$(CONFIG_TARGET_R7DONGLE)		+= dram_r7dongle.o
diff --git a/board/sunxi/dram_sun5i_auto.c b/board/sunxi/dram_sun5i_auto.c
index a5965db..e86b08e 100644
--- a/board/sunxi/dram_sun5i_auto.c
+++ b/board/sunxi/dram_sun5i_auto.c
@@ -1,4 +1,4 @@
-/* this file is generated, don't edit it yourself */
+/* DRAM parameters for auto dram configuration on sun5i and sun7i */
 
 #include <common.h>
 #include <asm/arch/dram.h>
diff --git a/board/sunxi/dram_sun7i_384_512_busw16_iow16.c b/board/sunxi/dram_sun7i_384_512_busw16_iow16.c
deleted file mode 100644
index 2e36011..0000000
--- a/board/sunxi/dram_sun7i_384_512_busw16_iow16.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/* this file is generated, don't edit it yourself */
-
-#include "common.h"
-#include <asm/arch/dram.h>
-
-static struct dram_para dram_para = {
-	.clock = 384,
-	.type = 3,
-	.rank_num = 1,
-	.density = 4096,
-	.io_width = 16,
-	.bus_width = 16,
-	.cas = 9,
-	.zq = 0x7f,
-	.odt_en = 0,
-	.size = 512,
-	.tpr0 = 0x42d899b7,
-	.tpr1 = 0xa090,
-	.tpr2 = 0x22a00,
-	.tpr3 = 0,
-	.tpr4 = 0,
-	.tpr5 = 0,
-	.emr1 = 0x4,
-	.emr2 = 0x10,
-	.emr3 = 0,
-};
-
-unsigned long sunxi_dram_init(void)
-{
-	return dramc_init(&dram_para);
-}